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Question

Oral contraceptive pills help in birth control by


A
Killing sperms
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B
Killing ova
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C
Preventing ovulation
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D
Forming a barrier between sperm and ova
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Solution

The correct option is C Preventing ovulation

The oral contraceptive pills are hormonal pills which prevent ovulation. he primary mechanism of action of hormonal contraceptives is that they suppress the secretion of gonadotropins (follicle stimulating hormone, FSH and luteinizing hormone, LH). The contraceptive pills contain both progesterone and estrogen and the lower levels of estrogen in birth control pills suppress FSH and LH, "fooling" the pituitary gland into thinking a woman is pregnant. Ovulation will then not occur, which prevents pregnancy. Oral contraceptive pills do not kill sperm or ova.


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